But the parent to your response has a point - knowing that the answers are CC licensed and knowing that the owners might have a ten-figure exit are different things. If the community were more aware of the latter, they might have been more canny about donating their efforts.
The whole idea was that if they become evil, or sell the site to someone evil, all the content was CC-SA, so it was possible to anyone to make a clone and continue from there.
I guess most of the posters understand that they may sell the site, but the content was safe because of the license.
But the parent to your response has a point - knowing that the answers are CC licensed and knowing that the owners might have a ten-figure exit are different things. If the community were more aware of the latter, they might have been more canny about donating their efforts.